using System;

using System.Globalization;

using static System.Console;

​

public class Example

{

   public static void Main()

   {

      int[] years = { 2012, 2014 };

      DateTimeFormatInfo dtfi = DateTimeFormatInfo.CurrentInfo;

      WriteLine("Days in the Month for the {0} culture " +

                        "using the {1} calendar\n",

                        CultureInfo.CurrentCulture.Name,

                        dtfi.Calendar.GetType().Name.Replace("Calendar", ""));

      WriteLine("{0,-10}{1,-15}{2,4}\n", "Year", "Month", "Days");

​

      foreach (var year in years) {

         for (int ctr = 0; ctr <= dtfi.MonthNames.Length - 1; ctr++) {

            if (String.IsNullOrEmpty(dtfi.MonthNames[ctr]))

               continue;

​

            WriteLine("{0,-10}{1,-15}{2,4}", year,

                              dtfi.MonthNames[ctr],

                              DateTime.DaysInMonth(year, ctr + 1));

         }

         WriteLine();

      }

   }

}